Sole



FIG. 1 is a right side view of a sole showing the claimed design;

FIG. 2 is a left side view thereof;

FIG. 3 is an enlarged front view thereof; and,

FIG. 4 is an enlarged rear view thereof.

The broken lines in the figures and the area(s) within the broken linesshow portions of the sole that form no part of the claimed design.

CLAIM The ornamental design for a sole, as shown and described.